FFVII - couldn't figure out that I had to help Jesse get her leg unstuck
FFVIII
FFX
FFVII - finally past the bombing mission
FFIX
FFX-2
FFIV
FFIII - didn't finish
FFXII
Crisis Core
FFVI
FFXIII
FFV
FFXIII-2
FFXIV
FFXV
FFI
FFII
FFIII - currently trying to finish this one, then I'll have done all the main numbered entries!